Texas Instruments LP2981AIM5-2.5/NOPB
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $1.30 | $1.30 |
| 15+ | $1.26 | $18.90 |
| 25+ | $1.23 | $30.75 |
| 50+ | $1.16 | $58.00 |
| 100+ | $1.03 | $103.00 |
| N+ | $0.21 | Price Inquiry |
Request Quote / Inquiry
| Product attributes | Property Value |
| Manufacturer | Texas Instruments |
| Product Series | |
| Packaging | Cut Tape (CT) | |
| Output Configuration | Active |
| Output Type | Positive |
| Number of Regulators | Fixed |
| Voltage - Input (Max) | 16V |
| Voltage - Output (Min/Fixed) | 2.5V |
| Voltage - Output (Max) | - |
| Voltage Dropout (Max) | 0.37V @ 100mA |
| Current - Output | 100mA |
| Current - Quiescent (Iq) | 95 μA |
| Current - Supply (Max) | 1.7 mA |
| PSRR | 63dB (1kHz) |
| Control Features | Enable |
| Protection Features | Over Current, Over Temperature, Short Circuit |
| Operating Temperature | -40°C ~ 125°C |
| Grade | - |
| Qualification | - |
| Mounting Type | Surface Mount |
| Package / Case | SC-74A, SOT-753 |
| Supplier Device Package | SOT-23-5 |
| ROHS |  |
The LP2981AIM5-2.5/NOPB from Texas Instruments is a fixed 2.5V low-dropout regulator delivering 100mA. With a low 0.37V dropout and 95 μA quiescent current, it is optimized for battery-powered applications. The SOT-23-5 package enables compact PCB layouts.
- Compact Size: SOT-23-5 package saves board space for portable and wearable designs.
- Low Dropout: 0.37V at 100mA allows operation from nearly depleted batteries.
- Stable Output: 63dB PSRR at 1kHz reduces noise from switching regulators.
- Low Power Consumption: 95 μA quiescent current helps extend battery life in standby mode.
Battery-Powered Microcontrollers
The 100mA output and 0.37V dropout make it ideal for powering MCUs directly from a 3.6V battery, maintaining regulation until near end-of-life.
Portable Audio Players
With 63dB PSRR at 1kHz, it reduces power supply noise in headphone amplifiers, improving audio clarity.
Wearable Fitness Trackers
The small SOT-23-5 package and low quiescent current support compact, energy-efficient designs for continuous health monitoring.
Smart Home Sensors
Stable 2.5V output powers temperature, humidity, and motion sensors, ensuring accurate readings in battery-operated nodes.
Memory Backup Circuits
Its low dropout and low quiescent current are suitable for maintaining SRAM or RTC power during main supply loss.
Wireless Remote Controls
Provides clean, regulated power for IR or RF transmitters, extending battery life between button presses.
- Q: What is the output voltage?
- A: The fixed output voltage is 2.5V.
- Q: What is the maximum output current?
- A: It can provide up to 100mA of output current.
- Q: What is the input voltage range?
- A: The input voltage range is not specified in the provided data; consult the datasheet.
- Q: What is the dropout voltage?
- A: The dropout voltage is 0.37V at 100mA load.
- Q: What is the quiescent current?
- A: The quiescent current is 95 μA.
- Q: What package is available?
- A: It is available in a SOT-23-5 package.
LP2981AIM5-2.5/NOPB.pdf
- Q: What is the output voltage?
- A: The fixed output voltage is 2.5V.
- Q: What is the maximum output current?
- A: It can provide up to 100mA of output current.
- Q: What is the input voltage range?
- A: The input voltage range is not specified in the provided data; consult the datasheet.
- Q: What is the dropout voltage?
- A: The dropout voltage is 0.37V at 100mA load.
- Q: What is the quiescent current?
- A: The quiescent current is 95 μA.
- Q: What package is available?
- A: It is available in a SOT-23-5 package.
